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发明名称
摘要
申请公布号
JPH0315617(U)
申请公布日期
1991.02.18
申请号
JP19890075027U
申请日期
1989.06.27
申请人
发明人
分类号
B01D39/14;C02F1/48;(IPC1-7):B01D39/14
主分类号
B01D39/14
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代理人
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